Flash Flood in McCormick County, South Carolina

Flash Flood August 5, 2025 · McCormick County, South Carolina

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Emergency Manager reported roadway closure due to flooding on Whitetown Rd at Stevens Creek which overflowed its banks. New Hope Rd just south of Whitetown Rd was also closed due to flooding.

The wider storm

Anomalously high deep layer moisture over the area with strong moisture transport. Isentropic lift and favorable divergence aloft in the right entrance region of an upper level jet streak supported widespread rain which was moderate to heavy at times. This led to isolated flash flooding.

Began near Plum Branch (33.8814, -82.2488).

Source: NOAA Storm Events Database, event 1270599. Narratives are written by the National Weather Service forecast office that issued the report.

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